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Viewing changes to libunity-2d-private/Unity2d/dragitemwithurl.cpp

  • Committer: Olivier Tilloy
  • Date: 2011-05-18 15:47:16 UTC
  • Revision ID: olivier.tilloy@canonical.com-20110518154716-nzzmh153m0wew002
Made DragItem a base class with empty mime data by default.
DragItemWithUrl subclasses it and defines a 'url' property that knows how to convert application:// URLs into the corresponding file:// URLs.

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libunity-2d-private/Unity2d/dragitemwithurl.cpp
 
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/*
 
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 * Copyright (C) 2011 Canonical, Ltd.
 
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 *
 
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 * Authors:
 
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 *  Olivier Tilloy <olivier.tilloy@canonical.com>
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; version 3.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 */
 
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#include "dragitemwithurl.h"
 
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// libunity-2d
 
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#include <gscopedpointer.h>
 
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// GIO
 
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#undef signals
 
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extern "C" {
 
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    #include <gio/gdesktopappinfo.h>
 
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}
 
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// Qt
 
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#include <QMimeData>
 
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DeclarativeDragItemWithUrl::DeclarativeDragItemWithUrl(QDeclarativeItem* parent)
 
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    : DeclarativeDragItem(parent)
 
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{
 
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}
 
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DeclarativeDragItemWithUrl::~DeclarativeDragItemWithUrl()
 
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{
 
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}
 
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const QString& DeclarativeDragItemWithUrl::url() const
 
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{
 
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    return m_url;
 
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}
 
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void DeclarativeDragItemWithUrl::setUrl(const QString& url)
 
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{
 
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    if (url != m_url) {
 
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        m_url = url;
 
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        Q_EMIT urlChanged(m_url);
 
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    }
 
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}
 
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QMimeData* DeclarativeDragItemWithUrl::mimeData() const
 
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{
 
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    QMimeData* data = new QMimeData;
 
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    if (!m_url.isEmpty()) {
 
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        QList<QUrl> urls;
 
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        urls.append(decodeUri(m_url));
 
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        data->setUrls(urls);
 
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    }
 
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    return data;
 
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}
 
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QUrl DeclarativeDragItemWithUrl::decodeUri(const QString& uri)
 
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{
 
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    if (uri.startsWith("application://")) {
 
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        QString desktopFileName = uri.mid(14);
 
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        QByteArray bytes = desktopFileName.toUtf8();
 
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        GObjectScopedPointer<GDesktopAppInfo> appInfo(g_desktop_app_info_new(bytes.constData()));
 
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        if (appInfo.isNull()) {
 
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            return QUrl(uri);
 
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        }
 
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        QString filePath = QString::fromUtf8(g_desktop_app_info_get_filename(appInfo.data()));
 
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        return QUrl("file://" + filePath);
 
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    } else {
 
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        return QUrl(uri);
 
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    }
 
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}
 
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